66246064347 has 16 divisors (see below), whose sum is σ = 90556139520. Its totient is φ = 43051771200.

The previous prime is 66246064333. The next prime is 66246064351. The reversal of 66246064347 is 74346064266.

It is not a de Polignac number, because 66246064347 - 2¹¹ = 66246062299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66246064296 and 66246064305.

It is not an unprimeable number, because it can be changed into a prime (66246064307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67347 + ... + 370172.

It is an arithmetic number, because the mean of its divisors is an integer number (5659758720).

Almost surely, 2^66246064347 is an apocalyptic number.

66246064347 is a deficient number, since it is larger than the sum of its proper divisors (24310075173).

66246064347 is a wasteful number, since it uses less digits than its factorization.

66246064347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438794.

The product of its (nonzero) digits is 3483648, while the sum is 48.

The spelling of 66246064347 in words is "sixty-six billion, two hundred forty-six million, sixty-four thousand, three hundred forty-seven".